Chiropractic table.



P. M. NAYSMITH.

n UHIROPRAGTIO TABLE.

APPLICATION FILED JUNE 17, 1913.

Patented Nov. 25, 1913.

2 SHEETS-SHEET l.

QZ .90 l "33 1 3mm/woz r g '28 W jz F. M. NAYSMITH.

f GHIROPRACTIC TABLE.

APPLICATION FILED JUNE17. 1913.

Patented Nov. 25, 1913.

2 SHEBTSSHEET 2.

l when properly positioning the patient.

UNITED STATES PATENT OFFICE. FRANK it. niirsnrrn, or Geiz-Frisia, nzssoum. cnlornacric TABLE. l 4` spcification: Letters Patent.

Patented Nev. 25,1913.

Application mea :um 17,1913. serial ne. 774,2111.

useful Improvements in Chiropractic Tas bles, of which the following is a specification. l

This invention relates'to improvements in chiropractic tables.

The primary object 'of this invention is to provide a table ,capable of` accommodating patients of various sizes and weights in a restful and undisturbed manner and in strict compliance with'the particular treatment administered.

A further object of l provision of means for easily raising and lowering the table, therebyiaording material 4assistance to the person in attendance With these and other objects in view the invention further consists inithe novel arrangement and combination of partshereinv after described and pointed dut in the apf pended claims. j y In the accompanying drawings: Figure 1, `is a side elevation o`my improved chiro practic table constructed in accordance with my invention, and shown. in an inclined po? sition; Fig. 2, is a' top plan thereof; Fig. 3, is a transversesection through the head rest on the line 3*-3 of Fig. 2;Fig. 4, is an enlarged vertical sectional view of the ped-V estal or base; Fig. 5, is a horizontal sectional view on the line 5"'-5x of Fig. 4, .parts .be- .ing shown in elevation; and Fig. 6, is a vertical transverse sectional 4view on the line (3f-6x of Fig. 4.

While I have designed the present table for chiropractic purposes, it will be readily `understood that-it, may be used for such other treatments and operations as maybe performed thereon. v v

Referring lto the drawings, the invention' comprises, inthe form .therein shown,l a pedestal or support l, upon fwhich is pivotally'- mounted the main-supporting mem` ber which is inthe present lnstance the beam y2. Upon this beam 2 lis' carried the body sectionl 3 and the head supporting section 4. Thisjbar`2 which is off-set as at 2 is pivoted nearo'ne end thereof at`5 to the' pedestal 1, and is centrally located with rethis iiwention is the' i .sections 3 and- 4! The .pedestal 1 is preferably of hollow formation and is outwardly lflared at the base. One end of the pedestal is open as., shown at 6, and is arranged to receive anfactuating mechanism for easilyraising and lowering' the table with the patient thereon. Attached to the interior of the' pedestal near one 4end thereof is a spring hook' 7 to which is .secured oney end of a coi-l spring 8. The other end of this spring' 8 is secu-red to the end 9 of the'beam '2. by means of a hook 10. The purpose of this spring, as will be readily understood, is to co-act withl the weight of the patient in the movement of the table.

The body section 3 is positioned upon the beam 2, and is adjusted longitudinally there.- of in the guides -11, upon each side thereof, and is held in its adjusted position by the spring latch-12 which is similar in construetion to the'latch 17, Fig. 3. This body sec# tion 3 may be provided with a cushion 13 upholstered in leather or other suitable material. A j

.The beam 2, as hereinbefore mentioned, is -oE-set, land the extension formed thereby extends in a lower plane than the opposite Vend 9, `:as will be seen in Fig. 1.' Upon this extension 14 is slidably mounted the head support `which comprises a plurality of hinged sections capable of adjustment. The lower member lof the hinged sections constitutes the main base thereof and is adapted to be adjusted longitudinallyof the extension 14 of the b'ar 2 in theguides 16 upon eachv side thereof, a spring latch 17 operating to hold the said section in its adjusted position. lA-second member 18 is hinged to the Section 15 at 19'and rests upon the up r surfaceof the latter member. To the'giposit end o'f the second member 8 is 'pin oted at 20"a'third Amember 21 which, as' shown in Fig. .1, is inclined and receives the head ofthe patient.

In eecti-ng" he inclination ofthe mem# ber 21 about the' hinge or pivot 20, rods 22 the desired inclined position. Similar ad-A justing rods 26 are provided near the lower end of the member 15, and at their upper ends have ball and socket joints 27. These rodsextend downwardly between clamps 28 and the sides of the base member 15, andare held in position by the thumb screw 29, which when tightenedwill hold the upper member 18 in a still diierently elevated and inclined position about the pivot 19, as will be readily understood. In this manner it willlbe apparent that the proper elevation and inclination of the head section can be eii'ectively obtained.

Referring to Figs. 2 and 3 more particularly, the upper member 21 of the head support is. composed of a plurality of independent sections, the two innermost ones of which 30 and 31 are hinged respectively to the two outer ones 32 and 33. The sections 30 and 31 are normally held in ahorizo'ntal plane with. the upper member 21 by the catch 34. When desired'the catchf34. is rcleased and the sections 30 and 31 areforced to yield to the weight of the patient-s head' against the springs 35 andl 36, as m'ost clearly shown in Fig. 3. 'Thus it will be seen that any relative elevation or depres.

sion of'. thehead can be obtained as the treatment requlres. The upper section is pro-y videdyiwith cushions 33,. upholstered in leather or any other suitable material.

In eiiectmg the adjustment of the table with respect'to the weight of thepatient, for the converence of raising and lowering thereof, .reference will be had to Figs. 4, 5 and 6. Located within the base or pedestal 1 is a carriage 37 which operates within guide-ways l.38 'formed by the parallel strips 39 and .the walls of the pedestal. The carriage 37 is provided at each end with a cross barf40, one of which extends outwardly through the wall of the-pedestal as indicated at 41. Upon the end 41 of this cross bar is mounted a' lever42 having a hooked exten-A sion 43 whichlatteris adapted to engage at different times studs 44, 45 and 46, according to the adjustment required. Secured to a hook upon carrla e 37 is one end of a'spring ,47, theother enl @of said springbeing fastened to a chain 248 'which in turn is secured to the extension-9 of the beam 2, at 49. This chain passes beneath a guiding pulley 5()v mounted upon a transverse bar 51. Fastened to `the chain 48 is another chain 52 which -is wound upon a spring actuated drum 53 located .within the pedestal, the purpose thereof being to take up any slack inthe chain 48`wh1ch may voccur as the table is lifted. Thus it will be seen that the effect of the spring secured tothe carriage 37 is to assist the spring 8 in the easy o eration of the table when the weight ci) th patient demands it. i

In effecting an adjustmentro'f the car- .member '55 carrie riage within the pedestal 1, the lever 42 is rocked so as to lift the hook from oi of the stud 44. The carriage is then moved within the guide-ways 38 until the desired stud is reached when the hook will be lowered so as to engage the stud, and the carriage will be heldin a fixed position.

As shown in Fig.I 1, the carriage is in the position for assist-ing the spring 8 but little; that is, the patient being treated is of ordi- 'nary weight and can be easily raised and lowered by t-he attendant. Should the patient to be treated be of greater weight, the carriage 37 is moved as before described, to the stud 45 or 46,- -thereby increasin the action of the spring" 48 so as to retar the table, with thejpatet thereon, in lts downward movement. When the table" is brought to the horizontal position, the s ring latdm54 engages the d by the pedestal, thereby locking the table. Arod 56 connects the latch 54 and the' pivoted ysupporting leg ,57 as shown in Fig. 1, which latter serves to support and steadythe table when the vpatient is being treated. The legalso acts 'as a releasing lever when moved outwardly,

'in effecting the unlocking of the table, as will be readily understood. A foot rest 58 is provided at the opposite endof the table against which the feet of the lpatient can yconveniently rest,

Inthe operation of the table, the beam 2` is moved ,substantially vertical about the pivot 5, thereby elevating the table so .as to Areceive a patientfrom a standing posltion.

By placing the feet upon the foot rest4 58 and inclinmg the body of the person against gthe body section 3 and the head support 4, Ijit will `be readily seen that the weighto ,the patient will operate toextend the sprlng ,8, andfin proportion to the strength of the spring and-the weight of the patient t-he table will be in a substantially balanced conjdition with the patient thereon, thus minimizing to a fraction the force' necessary in 'raising and lowering the table by the. per- 'son in attendance. vAs has been before defscribed,'should the person be of a greater .weight than the carriage 37 controlling the tension of the auxiliary spring 47, will be moved to the desired stud to. obtain the correct balance. y From the fore-going, it. will be seen that an efficient and durable chiropractic table is provided on which patients of various sizes and weights can be easily and conveniently positioned for treatment.

What I claim is:-

1. ln a device of the class described comprising a base, -a support pivotally mounted on said base for angular movement 1n a vertical plane, means acting to assist the movement of said support from a horizontal toward an upright position, and mechanMII nism to automatically augment the action of said assisting' means the commencement of said movement, .said augmenting on said base for angular movement, in a vertical plane, variable means including a plurality of springs acting to assist the movementof sulpport from a horizon? t .posit1on, and means tal toward an uprig whereby a greater number of saidisprings act to assist said movement during the commencement than near the end of said movement.

3. A device of the class described comprising a base, a support pivotally mounted on said base for an lar-movement in a vertical plane, a spring arranged to assist the movement of saidsupport toward an upright position, an auxiliary spring adapted to assist said action of the first named spring, and means whereby said auxiliary spring acts to assist the iirst named spring during a portion only of the movement of the said support.

4. A device of the class described comprising a base, a supportl pivotally mounted on said base for angular movement in a vertical plane, a spring arranged to assist the movement of said support toward an upright position, an auxiliary spring adapted to assist said action of the rst named spring, and means whereby said auxiliary spring acts to assist the first named spring during-a portion only of the movement of the said support, said means being adjustable to vary the time of action of said auxiliaryspring.

5. A device of the class :described comprising a base, a support pivotally mounted on said base for an lar -movement in a vertical plane, a spring connected to said:

base and said support, and 'acting to". assist the movement ofv'said support throughout its movementftowardl an upright position,

an auxiliary spring adapted t assist said `action of the first named spring, 'a lost m0- tion connection between said auxiliary spring and said support whereby said movement of said sup ort is assisted during a portion thereo by 'said auxiliary spring, and an adjustable connection between said auxiliary spring and base,v for varying the action of said auxiliary spring. 6. A device of the class described, including in combination a base, a supporting member pivoted to said base, and means including a. carriage movable relatively' to said base, a spring attached to said carriage and said supporting member, another spring attached to the'base 'and-to the supporting member, a series of lever holding devices provided on 'said' base, and a lever for engaging one of said holding devices at a time for holding said carriage in an adjusted position.f i

7. A device of the class described, including :in .combi-nation a base, ya supporting member pivoted to said base, and means including .a :carriage movable relatively to said base, ra spring .attached to said carriage and said supporti-ng member, another spring attached to the base and to the supporting member, a lever holding `device provided on said base and a lever :for engaging .said holding device for securing the carriage in position.

8. A device of the class described, including in combination a base, a supporting member pivoted to said base, and means including a carriage movable relatively to said base, a spring attached to said carriage and said supporting member, another spring attached to the base and to the supporting member, a seriesrof lever holding devices provided on said base and a lever for engagin one of said holding devices, whereby the sald springs are held ,under different tensions to balance said supporting member for patients of varying weights. 9. A device of the class described, comprising a base, a beam pivoted on said base, and a plurality of supporting sections mounted upon said beam, one of said sections consisting of a plurality of members hingediat alternate ends-and means for eflfeet-ing the elevation and inclination of said hinged members. .y

10. A device of vthe class described, comprising a base, a beam pivoted to said base,

4a body support adjustablysecured to said beam, and ahead support adjustably secured to said beam, said head support comprising a series of members hinged together, one of said hinged members having yielding sections formed therein.

11. In a device of the class described, a base, a beam pivoted to said base, and a head support mountedI uponsaid beam, said head support consistin of aplurality of members hinged toget er, one of said members having movable sections formed therein.

12. In a device of the class described, a head support consisting of a lurality of members hinged together and arl'ustable relatively to each other, one of said members 'by one of said hinged members, and clamps secured to another of said hinged members, 13p

asv

said rods of one of the members arranged ward, and 'elding means to resist said 10 to be held by the said clamps of another movement oyaid hinged sections. member for elevating and inclining the head In testimony whereof I aix my signasuppor. f h d d h ture in presence of two Witnesses.

15. device o t eclass escribe aving a head support comprising a vertically and FRANK M' NAYSMITH laterally adjustable member having outer Witnesses: fixed sections and a pair of inner sections EMMETT MCDONNELL, hinged thereto adapted to swing down- F. W. SMITIL 

